diff options
| -rw-r--r-- | arch/x86/include/asm/page_types.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 8 | ||||
| -rw-r--r-- | arch/x86/mm/init_64.c | 54 | ||||
| -rw-r--r-- | arch/x86/mm/numa_64.c | 2 |
4 files changed, 8 insertions, 58 deletions
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h index 97e6007e4ed..bce688d54c1 100644 --- a/arch/x86/include/asm/page_types.h +++ b/arch/x86/include/asm/page_types.h @@ -54,8 +54,6 @@ static inline phys_addr_t get_max_mapped(void) extern unsigned long init_memory_mapping(unsigned long start, unsigned long end); -void init_memory_mapping_high(void); - extern void initmem_init(void); extern void free_initmem(void); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 46e684f85b3..c3a606c41ce 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -963,6 +963,14 @@ void __init setup_arch(char **cmdline_p) max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT); max_pfn_mapped = max_low_pfn_mapped; +#ifdef CONFIG_X86_64 + if (max_pfn > max_low_pfn) { + max_pfn_mapped = init_memory_mapping(1UL<<32, + max_pfn<<PAGE_SHIFT); + /* can we preseve max_low_pfn ?*/ + max_low_pfn = max_pfn; + } +#endif memblock.current_limit = get_max_mapped(); /* diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 470cc4704a9..c8813aa3974 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -606,63 +606,9 @@ kernel_physical_mapping_init(unsigned long start, void __init initmem_init(void) { memblock_x86_register_active_regions(0, 0, max_pfn); - init_memory_mapping_high(); } #endif -struct mapping_work_data { - unsigned long start; - unsigned long end; - unsigned long pfn_mapped; -}; - -static int __init_refok -mapping_work_fn(unsigned long start_pfn, unsigned long end_pfn, void *datax) -{ - struct mapping_work_data *data = datax; - unsigned long pfn_mapped; - unsigned long final_start, final_end; - - final_start = max_t(unsigned long, start_pfn<<PAGE_SHIFT, data->start); - final_end = min_t(unsigned long, end_pfn<<PAGE_SHIFT, data->end); - - if (final_end <= final_start) - return 0; - - pfn_mapped = init_memory_mapping(final_start, final_end); - - if (pfn_mapped > data->pfn_mapped) - data->pfn_mapped = pfn_mapped; - - return 0; -} - -static unsigned long __init_refok -init_memory_mapping_active_regions(unsigned long start, unsigned long end) -{ - struct mapping_work_data data; - - data.start = start; - data.end = end; - data.pfn_mapped = 0; - - work_with_active_regions(MAX_NUMNODES, mapping_work_fn, &data); - - return data.pfn_mapped; -} - -void __init_refok init_memory_mapping_high(void) -{ - if (max_pfn > max_low_pfn) { - max_pfn_mapped = init_memory_mapping_active_regions(1UL<<32, - max_pfn<<PAGE_SHIFT); - /* can we preserve max_low_pfn ? */ - max_low_pfn = max_pfn; - - memblock.current_limit = get_max_mapped(); - } -} - void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 74064e8ae79..86491ba568d 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -543,8 +543,6 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) if (!numa_meminfo_cover_memory(mi)) return -EINVAL; - init_memory_mapping_high(); - /* Finally register nodes. */ for_each_node_mask(nid, node_possible_map) { u64 start = (u64)max_pfn << PAGE_SHIFT; |